51155356152 has 64 divisors (see below), whose sum is σ = 128442672000. Its totient is φ = 16977974400.

The previous prime is 51155356127. The next prime is 51155356157. The reversal of 51155356152 is 25165355115.

It is a self number, because there is not a number n which added to its sum of digits gives 51155356152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51155356157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17941527 + ... + 17944377.

It is an arithmetic number, because the mean of its divisors is an integer number (2006916750).

Almost surely, 2^51155356152 is an apocalyptic number.

It is an amenable number.

51155356152 is an abundant number, since it is smaller than the sum of its proper divisors (77287315848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51155356152 is a wasteful number, since it uses less digits than its factorization.

51155356152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836 (or 5832 counting only the distinct ones).

The product of its digits is 112500, while the sum is 39.

The spelling of 51155356152 in words is "fifty-one billion, one hundred fifty-five million, three hundred fifty-six thousand, one hundred fifty-two".